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Biancao9o3o12
Group Title
In setbuilder notation, how do you write the solutions of the inequality?
–2 – x ≥ – 1 (1 point)
{x  x ≤ 1}
{x  x ≥ 1}
{x  x ≥ –1}
{x  x ≤ –1}
HELP >:(
 2 years ago
 2 years ago
Biancao9o3o12 Group Title
In setbuilder notation, how do you write the solutions of the inequality? –2 – x ≥ – 1 (1 point) {x  x ≤ 1} {x  x ≥ 1} {x  x ≥ –1} {x  x ≤ –1} HELP >:(
 2 years ago
 2 years ago

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wio Group TitleBest ResponseYou've already chosen the best response.0
You need to isolate x. The only tricky part is that if you multiply an inequality by a negative number, it flips.
 2 years ago

Biancao9o3o12 Group TitleBest ResponseYou've already chosen the best response.0
{x  x ≥ –1} ?
 2 years ago

wio Group TitleBest ResponseYou've already chosen the best response.0
No, you didn't flip the inequality sign.
 2 years ago

Biancao9o3o12 Group TitleBest ResponseYou've already chosen the best response.0
i DON'T get it :(
 2 years ago

wio Group TitleBest ResponseYou've already chosen the best response.0
Suppose you have \(x \geq 4\), what happens when you multiply both sides by \(1\)? You actually get \(x \leq 4\). This doesn't happen with \(=\) because it is sementric... but think about it this way: \[x \geq 4 \rightarrow 0\geq 4+x\rightarrow 4 \geq x \rightarrow x\leq 4\]
 2 years ago
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